The first two steps in the industrial synthesis of nitric acid produce nitrogen dioxide from ammonia: 4 NH; (g) + 5 O, (g) =4 NO(g)+6H,0(g) K1 2 NO (3) +0, (3) = 2 NO, (3) K, The net reaction is: 4 NH; (g) + 70, (g) = 4 NO, (g) + 6 H,0 (g) K Write an equation that gives the overall equilibrium constant K in terms of the equilibrium constants K, and K,. If you need to include any physical constants, be sure you use their standard symbols, which you'll find in the ALEKS Calculator. K = |

The first two steps in the industrial synthesis of nitric acid produce nitrogen dioxide from ammonia: 4 NH; (g) + 5 O, (g) =4 NO(g)+6H,0(g) K1 2 NO (3) +0, (3) = 2 NO, (3) K, The net reaction is: 4 NH; (g) + 70, (g) = 4 NO, (g) + 6 H,0 (g) K Write an equation that gives the overall equilibrium constant K in terms of the equilibrium constants K, and K,. If you need to include any physical constants, be sure you use their standard symbols, which you'll find in the ALEKS Calculator. K = |

Chemistry: Principles and Reactions

8th Edition

ISBN:9781305079373

Author:William L. Masterton, Cecile N. Hurley

Publisher:William L. Masterton, Cecile N. Hurley

Chapter21: Chemistry Of The Nonmetals

Section: Chapter Questions

Problem 74QAP

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The amount of sodium hypochlorite in a bleach solution can be determined by using a given volume of bleach to oxidize excess iodide ion to iodine; ClO- is reduced to Cl-. The amount of iodine produced by the redox reaction is determined by titration with sodium thiosulfate, Na2S2O3; I2 is reduced to I-. The sodium thiosulfate is oxidized to sodium tetrathionate, Na2S4O6. In this analysis, potassium iodide was added in excess to 5.00 mL of bleach (d=1.00g/cm3) . If 25.00 mL of 0.0700 M Na2S2O3 was required to reduce all the iodine produced by the bleach back to iodide, what is the mass percent of NaClO in the bleach?
Write chemical equations for each of the following chemical and physical processes: (a) Neutralization of an aqueous solution of barium hydroxide by the hydronium ion (b) Reaction of 1 mole of aluminum with I2(s) to form aluminum iodide (c) Conversion of 1 mole of O2(g) to O3(g)
Consider the series of reactions to synthesize the alum (KAl(SO4 )2 · xH2O(s)) from the introduction. (a) Assuming an excess of the other reagents, from one mole of aluminum Al (s), how many moles of alum will be produced? (b) Assuming an excess of the other reagents, from one mole of potassium hydroxide KOH, how many moles of alum will be produced? (c) Assuming an excess of the other reagents, from one mole of sulfuric acid H2SO4 , how many moles of alum will be produced? (d) If you start the synthesis with 1.00 g of Al, 40.0 mL of 1.50 M KOH, and 20.0 mL of 9.00 M H2SO4 , which of the three will be the limiting reagent? (e) Assuming that the product is anhydrous (that there are no waters of hydration), calculate the theoretical yield of alum, in grams, based on the amounts of reagents in part (d). 3. Consider the nickel salt: (NH4 )2Ni(SO4 )2 ·y H2O (Ammonium Nickel Sulfate Hydrate), where y is the number of coordinated waters. (a) Assuming that the product is anhydrous (y = 0),…
Does KOH (aq) + Co(CH3COO)3 (s) yield H2 gas along with potassium acetate and Cobalt(III) hydroxide? Please don't send me a generic answer...
Write chemical equations for each of the following chemical and physical processes: (a) Reaction of ammonia gas with hydrogen chloride gas to produce a solid product (b) Reaction of 1 mole of aluminum with I2(s) to form aluminum iodide (c) Conversion of 1 mole of O2(g) to O3(g) (d) Dissolving K2C12O7(s) in water (e)Thermal decomposition of solid sodium azide to produce solid sodium and nitrogen gas (f) Photodissociation of chlorine gas (g) Fusion of ice
Balance the cquation C,H18() + 0>(g)→ CO,(g) + H;O(g) CO,(g) + H,0(g)
Phosphoric acid, one of the acids used in some cola drinks, is produced by the reaction of phosphorus(V) oxide, an acidic oxide, with water. Phosphorus(V) oxide is prepared by the combustion of phosphorus.(a) Write the empirical formula of phosphorus(V) oxide.(b) What is the molecular formula of phosphorus(V) oxide if the molar mass is about 280.(c) Write balanced equations for the production of phosphorus(V) oxide and phosphoric acid.(d) Determine the mass of phosphorus required to make 1.00 × 104 kg of phosphoric acid, assuming a yield of 98.85%.
What mass of magnesium chloride would be required to produce 12.85 g of magnesium hydroxide by the following reaction? MgCl2 + NaOH --> Mg(OH)2 + NaCl
b. (i) (ii) A green solid has the empirical formula FeBr3·5NH3 H₂O. Upon reaction with an excess of aqueous AgNO3 it is found that 1 mole of the solid precipitates 3 moles of AgBr. Heating the green solid leads to loss of 1 mole of H₂O to yield a blue solid with the same ratio of Fe:Br:NH3 as found in the green solid. The reaction of 1 mole of the blue solid with excess of aqueous AgNO3 produces 2 moles of AgBr. Draw and name the octahedral green and blue complexes. An octahedral complex having the formula [M(dien)(NH3)(OH₂)F] has a total of 15 isomers. In the sum formula "dien" represents the tridentate diethylenetriamine ligand, which can adopt meridional or facial coordination modes. Draw structures of 8 possible isomers, clearly showing any pairs of enantiomers. The tridentante ligand may be abbreviated as below for simplicity. H₂N : = ΝΗ NH :NH2 N diethylenetriamine (dien) N N
(1) One of the steps in the commercial process for converting ammonia to nitric acid involves the conversion of ammonia, NH3(g) to nitrous oxide, NO(g). 4 NH3(g ) + 5 O2(g) → 4 NO(g) + 6 H2O(l) Atomic weights (g/mol): N=14, H=1, O=16 a. Balance the above chemical equation that represents the conversion. b. How many moles of oxygen are needed to convert 2.5 moles of ammonia? c. How many grams of water will be produced from 2.5 moles of ammonia? d. If 150 grams of oxygen reacted 2.5 moles of ammonia, identify the limiting and excess reagents. e. How much of the excess reagent remains unreacted? f. If the reaction in (d) produces 10.0 grams of nitrous oxide, calculate the percent yield.
Consider the series of reactions to synthesize the alum (KAl(SO4 )2 · xH2O(s)) from the introduction. Assuming an excess of the other reagents, from one mole of potassium hydroxide KOH, how many moles of alum will be produced?
A 235.2-g sample of ground water is analyzed for calcium. The Ca2+ in the sample is first precipitated and filtered-off as NH4CaPO4·7H2O. This precipitate is dried and heated, releasing water and ammonia to yield anhydrous calcium pyrophosphate (Ca2P2O7). The mass of Ca2P2O7 obtained is 0.0234 g.Give the calcium content of the ground water in parts per million (to three significant figures).

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